.z-i-close {
    display: inline-block;
    position: relative;
    width: $icon-w;
    height: $icon-h;
    &:after,
    &:before {
        position: absolute;
        top: 50%;
        left: 0;
        width: 100%;
        height: 2px;
        content: '';
        background: $icon-bg;
    }
    &:after {
        transform: rotate(-45deg);
    }
    &::before {
        transform: rotate(45deg);
    }
}
